138883453 has 8 divisors (see below), whose sum is σ = 145110528. Its totient is φ = 132672144.

The previous prime is 138883447. The next prime is 138883469. The reversal of 138883453 is 354388831.

138883453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138883453 - 2¹⁷ = 138752381 is a prime.

It is a super-2 number, since 2×138883453² = 38577227034406418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138883403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16351 + ... + 23347.

It is an arithmetic number, because the mean of its divisors is an integer number (18138816).

Almost surely, 2^138883453 is an apocalyptic number.

It is an amenable number.

138883453 is a deficient number, since it is larger than the sum of its proper divisors (6227075).

138883453 is an equidigital number, since it uses as much as digits as its factorization.

138883453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883.

The product of its digits is 276480, while the sum is 43.

The square root of 138883453 is about 11784.8823922855. The cubic root of 138883453 is about 517.8653280092.

The spelling of 138883453 in words is "one hundred thirty-eight million, eight hundred eighty-three thousand, four hundred fifty-three".